225255 has 8 divisors (see below), whose sum is σ = 360432. Its totient is φ = 120128.

The previous prime is 225241. The next prime is 225257. The reversal of 225255 is 552522.

225255 is nontrivially palindromic in base 4.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 225255 - 2⁵ = 225223 is a prime.

It is a nialpdrome in base 12.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 225255.

It is not an unprimeable number, because it can be changed into a prime (225257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7494 + ... + 7523.

It is an arithmetic number, because the mean of its divisors is an integer number (45054).

2²²⁵²⁵⁵ is an apocalyptic number.

225255 is a deficient number, since it is larger than the sum of its proper divisors (135177).

225255 is a wasteful number, since it uses less digits than its factorization.

225255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15025.

The product of its digits is 1000, while the sum is 21.

The square root of 225255 is about 474.6103665113. The cubic root of 225255 is about 60.8449884885.

Adding to 225255 its reverse (552522), we get a palindrome (777777).

It can be divided in two parts, 225 and 255, that multiplied together give a palindrome (57375).

The spelling of 225255 in words is "two hundred twenty-five thousand, two hundred fifty-five".